15. a, = (-1)" 3n-

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 23E
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In exercises 11-24, determine whether the sequence converges
or diverges.
Sn
Transcribed Image Text:In exercises 11-24, determine whether the sequence converges or diverges. Sn
15. a, = (-1) +2
3n-1
16. a, = (-1y"+4
n+1
n+2
17. a, = (-1)".
n² +4
%3D
18. a, = cOS A N
cosn
19. а, 3D пе
20. a, =
en
%3D
e +2
21. a =
e2n
3"
22. а, 3
en +1
n2"
23. a =
3d
n!
24. a =
2n
Transcribed Image Text:15. a, = (-1) +2 3n-1 16. a, = (-1y"+4 n+1 n+2 17. a, = (-1)". n² +4 %3D 18. a, = cOS A N cosn 19. а, 3D пе 20. a, = en %3D e +2 21. a = e2n 3" 22. а, 3 en +1 n2" 23. a = 3d n! 24. a = 2n
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